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			<div class="news_info_titles"><span class="color">【原创】</span>真空带式干燥机设备供应商：上海敏杰制药机械有限公司入驻粉享通</div>
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				金刚石在线 2025/2/7 11:58:42 点击 330 次
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			<div class="news_info_daodu"><span>导读</span>本次金刚石大会我们邀请到的是来自河南工业大学的栗正新教授接受采访</div>
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				<p style="text-indent: 2em; text-align: justify; line-height: 1.75em;"><strong>中国粉体网讯</strong>&nbsp;
					作为氧化铝生产第一大国，我国氧化铝产量呈逐年上升趋势。据国家统计局数据，2024年中国氧化铝产量达到8552.2万吨，同比增长3.9%，占全球总产量的比重高达6成。据阿拉丁相关信息，在全球十大氧化铝生产商中，中国铝业、中国宏桥等五家中国企业集团合计产量达6182万吨，占比高达63.77%。
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				<p style="text-indent: 2em; text-align: justify; line-height: 1.75em;"><span
						style="color: rgb(0, 112, 192);"><strong>而在这光鲜的成绩单下，隐藏着一笔可谓是十分严峻的“生态烂账”：</strong></span><span
						style="color: rgb(192, 0, 0);"><strong>赤泥。</strong></span></p>
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					2024年我国氧化铝8552.4万t产量背后，<strong>赤泥排放量为<span style="color: rgb(192, 0, 0);">10180万t</span>，利用量为<span
							style="color: rgb(192, 0, 0);">1380万t</span>，<span
							style="color: rgb(0, 112, 192);">利用率</span>仅为<span
							style="color: rgb(192, 0, 0);">12%</span>。</strong></p>
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				<p style="text-align: center; line-height: 1.75em; text-indent: 0em;">2011-2024年我国氧化铝产量及赤泥排放量和综合利用量</p>
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					据统计，目前全球赤泥累计堆积量约为40亿t，年产量约为1.8-2亿吨，<strong>中国赤泥累计堆积量约为<span
							style="color: rgb(192, 0, 0);">15亿t</span>，年产量约为<span
							style="color: rgb(192, 0, 0);">1亿～1.05亿</span>。</strong>而在2023年之前，赤泥利用率长期低于10%，即便目前已提高到12%，<span
						style="color: rgb(0, 112, 192);"><strong>然而赤泥的消化量仍远低于排放量，这也意味着：</strong></span><span
						style="color: rgb(192, 0, 0);"><strong>赤泥堆积量仍呈现急剧增加的趋势。</strong></span></p>
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				<p style="text-align: center; line-height: 1.75em; text-indent: 0em;"><span
						style="color: rgb(0, 112, 192); font-size: 20px;"><strong>01.赤泥是什么？</strong></span></p>
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					赤泥是铝土矿提炼氧化铝过程中的副产物，因其富含赤铁矿而显现红褐色，因此得名。</p>
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					巴西阿卢米尼奥的大坝，水库中含有2500万立方米的“赤泥”，图片来源：Nature</p>
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					<div class="name">简单、</div>
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						<div class="left">2025-02-08</div>
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